Name an angle complementary to Complementary angles add up to 90 degrees. COA is supplementary to AOE (they add up to 180) AOB is 90 degrees AOD is 180 degrees COB is complementary to COD. And because COD is congruent to AOE (because vertical angles are congruent), COB is also complementary to AOE. So our answer is COB.
Mad Libs was invented in 1953 by Leonard Stern and Roger Price. Stern and Price co-created the game, but couldn't agree on a name for their invention. No name was chosen until five years later (1958), when Stern and Price were eating eggs Benedict at a restaurant in New York City.
The worldâs first bubble gum is Dubble Bubble. It was invented in 1928 by Walter E. Diemerâan accountant at Fleer Company. After his retirement, Diemer admitted that the recipe was discovered by accident. The company founder, Frank Fleer in 1906, attempted to create a chewing gum which he called Blibber Blubber.